去处对话框的边框，并另其全屏

    //去除标题和边框

    SetWindowLong(m_hWnd, GWL_STYLE,

        GetWindowLong(m_hWnd, GWL_STYLE) &

    (~(WS_CAPTION | WS_BORDER)));



    // 置对话框为最顶端并扩充到整个屏幕

    ::SetWindowPos(m_hWnd, HWND_TOPMOST,

        ix,iy,

 

　　  iWidth,iHeight,

        SWP_NOZORDER);